diff --git a/dev-util/source-highlight/source-highlight-3.1.9.ebuild b/dev-util/source-highlight/source-highlight-3.1.9-r1.ebuild
similarity index 96%
rename from dev-util/source-highlight/source-highlight-3.1.9.ebuild
rename to dev-util/source-highlight/source-highlight-3.1.9-r1.ebuild
index 9335feb8ec5c4..5216da452563b 100644
--- a/dev-util/source-highlight/source-highlight-3.1.9.ebuild
+++ b/dev-util/source-highlight/source-highlight-3.1.9-r1.ebuild
@@ -13,7 +13,7 @@ KEYWORDS="~alpha amd64 arm arm64 ~hppa ~ia64 ~m68k ~mips ppc ppc64 ~s390 sparc x
 SLOT="0"
 IUSE="doc static-libs"
 
-RDEPEND=">=dev-libs/boost-1.62.0:=[threads]
+RDEPEND=">=dev-libs/boost-1.62.0:=[threads(+)]
 	dev-util/ctags"
 DEPEND="${RDEPEND}"
 BDEPEND=""